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Showing 1–24 of 114 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fish oil supplement Clear all
Not listed Phase 4 Interventional

Placebo Controlled Study Using Lovaza as Treatment for Non-Alcoholic Fatty Liver Disease

NCT00941642
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Lovaza, placebo control
Drug
Lead sponsor
Huntington Medical Research Institutes
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2010 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 4 Interventional Results available

Omega Tots: A Randomized, Controlled Trial of Long-chain Polyunsaturated Fatty Acid Supplementation of Toddler Diets and Developmental Outcomes

NCT01576783
View directory record Official record
Conditions
Preterm Birth, Child Development
Interventions
Docosahexaenoic Acid + Arachidonic Acid (DHA+AA), Placebo
Drug · Dietary Supplement
Lead sponsor
Sarah Keim
Other
Eligibility
10 Months to 16 Months
Enrollment
377 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 1 Interventional

Nutrition, Neuromuscular Electrical Stimulation (NMES) and Secondary Progressive Multiple Sclerosis (SPMS)

NCT01381354
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Progressive exercise, Neuromuscular electrical stimulation delivered using the electrical therapy device EMPI 300 PV, Modified paleolithic diet, Omega 3 fatty acids, Full Spectrum vitamin, Essential - hydroxytyrosol, Maltodextrin fiber supplement, Mineral boost (magnesium), Niacinamide, Methyl B12, Taurine, creatine, thiamine, riboflavin, N acetylcysteine, alpha lipoic acid, L acetyl carnitine, methyl folate, coenzyme Q, meditation, self massage, learning, Coconut oil
Other · Device · Dietary Supplement + 1 more
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Does Fish Oil Prevent Depression in Pregnancy and Postpartum?

NCT00711971
View directory record Official record
Conditions
Depression
Interventions
EPA-rich fish oil supplement, DHA-rich fish oil supplement, placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

NEM® + KD PUR® Fish Oil Versus Placebo in Exercised-induced Joint Pain, Stiffness, & Cartilage Turnover in Healthy Men & Women

NCT04215198
View directory record Official record
Conditions
Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Joint Cartilage Turnover
Interventions
Move3™ (NEM® brand eggshell membrane + KD PUR® brand fish oil), Placebo
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
40 Years to 75 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Sep 3, 2026, 4:58 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

The Effects of Lovaza® in Acute Myocardial Infarction

NCT01155336
View directory record Official record
Conditions
Myocardial Infarction
Interventions
Lovaza®, The placebo contained 1 gram of corn oil in each capsule.
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 3, 2026, 4:58 PM EDT
Recruiting Not applicable Interventional

A Study of a Plant-Based Diet and Dietary Supplements in People With Smoldering Multiple Myeloma (SMM) or Monoclonal Gammopathy of Undetermined Significance (MGUS)

NCT06055894
View directory record Official record
Conditions
Multiple Myeloma, Smoldering, Multiple Myeloma, Monoclonal Gammopathy of Undetermined Significance
Interventions
Omega-3, Curcumin, Probiotic, Whole food, plant-based diet (WFPBD)
Dietary Supplement · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 3 Interventional Results available

Effects of Vitamin D and Fish Oil on the Kidney in Hypertensives

NCT02757872
View directory record Official record
Conditions
Hypertension, Kidney Diseases
Interventions
Vitamin D3, Omega-3 Fatty acids, Vitamin D3 placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
50 Years to 99 Years
Enrollment
2,232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2024 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Fish Oil (Omega 3), Immune Function, and Mood

NCT00385723
View directory record Official record
Conditions
Inflammation
Interventions
Omega 3 (Fish Oil) Supplementation, Placebo
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
40 Years to 88 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 19, 2012 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 2 Interventional

A Fish Oil Supplement to Maintain Body Weight in Patients With Disease-Related Weight Loss

NCT00094562
View directory record Official record
Conditions
Cancer, Cancer Cachexia, Chronic Obstructive Pulmonary Disease, Chronic Heart Failure, Rheumatoid Arthritis
Interventions
Fish oil supplement
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 17, 2019 · Synced Sep 3, 2026, 4:58 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Commerical DHA Supplementation

NCT05415293
View directory record Official record
Conditions
Randomized Clinical Trial, Docosahexaenoic Acid, Pregnancy
Interventions
Expecta 200mg DHA, Promise 275mg DHA
Dietary Supplement
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Epithelial Healing and Visual Outcomes Using Omega-3 Therapy Before and After Photorefractive Keratectomy (PRK) Surgery

NCT01059019
View directory record Official record
Conditions
Refractive Error
Interventions
Omega-3 Fatty Acid Supplements
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 28 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Assessment of DHA On Reducing Early Preterm Birth

NCT02626299
View directory record Official record
Conditions
Preterm Birth
Interventions
Docosahexaenoic acid - 800mg/day, Docosahexaenoic acid - 200mg/day, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Kansas City, Kansas • Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Chronic Obstructive Pulmonary Disease Fish Oil Pilot Trial

NCT00835289
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
n-3 polyunsaturated fatty acids, Placebo
Dietary Supplement · Other
Lead sponsor
Columbia University
Other
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 3, 2026, 4:58 PM EDT
Not yet recruiting Phase 2 Interventional

Cancer Lipidome Adaptation and Resculping Through Omega-3 PUFAs in Breast Tumors

NCT07643428
View directory record Official record
Conditions
Breast Cancer
Interventions
Mini rTG OMEGA-3 Fish Oil
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 3, 2026, 4:58 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Feasibility Pilot Clinical Trial of Omega-3 Supplement vs. Placebo for Post Covid-19 Recovery Among Health Care Workers

NCT05121766
View directory record Official record
Conditions
COVID-19
Interventions
Omega-3 (EPA+DHA), Placebo
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 89 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 4 Interventional Results available

Rituximab in Progressive Immunoglobulin A (IgA) Nephropathy

NCT00498368
View directory record Official record
Conditions
IgA Nephropathy
Interventions
Intravenous Rituximab, ACE/ARB, Omega-3 Fatty Acid Fish Oil Supplement
Drug · Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
5
States / cities
San Francisco, California • Rochester, Minnesota • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

AECOPD and Nutritional Supplementation in COPD

NCT06801964
View directory record Official record
Conditions
Obstructive Pulmonary Disease, Exacerbation Copd
Interventions
Stable isotope infusion, Protein and Fish Oil, Protein and Olive Oil, Carbohydrate and Olive Oil
Other · Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Sep 3, 2026, 4:58 PM EDT
Withdrawn Phase 2 Interventional

Derivatives of Omega-3 HUFA as Biomarkers of Traumatic Brain Injury

NCT02990091
View directory record Official record
Conditions
TBI
Interventions
Omega 3 fatty acid, Safflower seed oil
Drug · Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2022 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Not applicable Interventional Results available

Omega-3 Dietary Supplements in Schizophrenia

NCT01786239
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder, Bipolar Disorder, Psychosis NOS
Interventions
Risperidone, Omega-3 capsules, Placebo
Drug
Lead sponsor
Delbert Robinson
Other
Eligibility
15 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Phase 1 Interventional

Cord Blood Plus Vitamin D and Omega 3s in T1D

NCT00873925
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Autologous UCB, Omega 3 FA, Vitamin D
Biological · Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
1 Year to 18 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Sep 3, 2026, 4:58 PM EDT
Completed Not applicable Interventional

Low-Fat Fish Oil Diet for Prostate Cancer Prevention

NCT00798876
View directory record Official record
Conditions
Prostate Cancer
Interventions
Fish Oil, Vitamin E supplement, Western Diet, Low-Fat Diet, Medical Examination, Dietary Interview, Blood Draw, Radical Prostatectomy
Dietary Supplement · Other · Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Sep 3, 2026, 4:58 PM EDT
Not listed Phase 2Phase 3 Interventional

The Influence Of a Natural Anti-Inflammatory Product On Levels Of Inflammatory Markers In Cases With Osteoarthritis Of Knee

NCT02333084
View directory record Official record
Conditions
Osteoarthritis
Interventions
PRN Joint Health Formula, placebo, PRN Flex Omega Benefits® combination
Dietary Supplement
Lead sponsor
Physician Recommended Nutriceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Sep 3, 2026, 4:58 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Lutein, Zeaxathin, and Fish Oil Supplementation

NCT06489873
View directory record Official record
Conditions
Cognitive Performance, Age-Related Macular Degeneration, Bone Loss
Interventions
Active Comparator (Lutein, zeaxanthin, and fish oil supplement (LZF), Placebo Comparator
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 3, 2026, 4:58 PM EDT